部分SMD 蜂鸣器系列参数

09-08| http://www.dianzi6.com | 家电维修 - 元器件的命名及常用参数|人气:423

部分SMD 蜂鸣器系列参数
----- PHOTO ----- ------ ITEM ------ SM802A SM802B SM802C --- SM802A --- --- SM802C --- RATED VOLTAGE-额定电压* 3.7V     OPERATING VOLTAGE-电压范围 2.4V ~ 4.5V     RATED CURRENT (max) 消耗电流 max.90 mA     COLI RESISTANCE--线圈阻抗 16 ± 3 Ohms     SOUND PRESSURE LEVEL(min)-输出音压* min.85dB     RESONANT Frequency-谐振频率 2,700 Hz     OPERATING TEMPERATURE RAGE-操作温度 -30℃ to 70℃     STORAGE TEMPERATURE RAGE-贮藏温度 -40℃ to 85℃     -*Duty 50% square wave --*The condition is take measurements (1) In the anechoIC.(2) At the distance of 10cm in front of sound output hole to the microphoneand (3) with the sound generator alone. ------ OUTLINE DRAWING -------- ------ FREQUENCY CHARACTERISTICS ------
----- PHOTO ----- ------ ITEM ------ SM803A SM803B SM803C --- SM803A --- RATED VOLTAGE-额定电压* 3.0V     OPERATING VOLTAGE-电压范围 2.0V ~ 4.0V     RATED CURRENT (max) 消耗电流 max.80 mA     COLI RESISTANCE--线圈阻抗 20 ± 3 Ohms     SOUND PRESSURE LEVEL(min)-输出音压* min.90dB     RESONANT FREQUENCY-谐振频率 2,700 Hz     OPERATING TEMPERATURE RAGE-操作温度 -30℃ to 70℃     STORAGE TEMPERATURE RAGE-贮藏温度 -40℃ to 85℃     -*Duty 50% square wave --*The condition is take measurements (1) In the anechoic.(2) At the distance of 10cm in front of sound output hole to the microphoneand (3) with the sound generator alone. ------ OUTLINE DRAWING -(UNIT:mm)------- ------ FREQUENCY CHARACTERISTICS ------
----- PHOTO ----- ------ ITEM ------ SM804A SM804B SM804C --- SM804A --- RATED VOLTAGE-额定电压* 5.0V     OPERATING VOLTAGE-电压范围 3.0V ~ 7.0V     RATED CURRENT (max) 消耗电流 max.80 mA     COLI RESISTANCE--线圈阻抗 32 ± 3 Ohms     SOUND PRESSURE LEVEL(min)-输出音压* min.92dB     RESONANT FREQUENCY-谐振频率 2,700 Hz     OPERATING TEMPERATURE RAGE-操作温度 -30℃ to 70℃     STORAGE TEMPERATURE RAGE-贮藏温度 -40℃ to 85℃     -*Duty 50% square wave --*The condition is take measurements (1) In the anechoic.(2) At the distance of 10cm in front of sound output hole to the microphoneand (3) with the sound generator alone. ------ OUTLINE DRAWING -(UNIT:mm)------- ------ FREQUENCY CHARACTERISTICS ------
----- PHOTO ----- ------ ITEM ------ SM903A SM903B SM903C --- SM903A--- RATED VOLTAGE-额定电压* 3.0V     OPERATING VOLTAGE-电压范围 2.0V ~ 4.0V     RATED CURRENT (max) 消耗电流 max.70 mA     COLI RESISTANCE--线圈阻抗 16 ± 3 Ohms     SOUND PRESSURE LEVEL(min)-输出音压* min.85dB     RESONANT FREQUENCY-谐振频率 2,700 Hz     OPERATING TEMPERATURE RAGE-操作温度 -30℃ to 70℃     STORAGE TEMPERATURE RAGE-贮藏温度 -40℃ to 85℃     -*Duty 50% square wave --*The condition is take measurements (1) In the anechoic.(2) At the distance of 10cm in front of sound output hole to the microphoneand (3) with the sound generator alone. ------ OUTLINE DRAWING -(UNIT:mm)------- ------ FREQUENCY CHARACTERISTICS ------

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